Headphone assembly



FIG. 1 is a perspective view of a headphone assembly showing my newdesign.

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

Portions of the drawings shown in dashed line are for illustrativepurposes only, and form no part of the claimed design.

The ornamental design for a headphone assembly, as shown and described.